package JDBC;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;

public class Test2 {
    public static void main(String[] args) {
        UserInfo userInfo = InputUtil.getInputObject(new UserInfo(),"删除用户", "删除");

        try (Connection connection = DBUtil.getConnection()){
            String sql= "DELETE FROM userinfo " +
                        "WHERE username=?;";
            PreparedStatement ps = connection.prepareStatement(sql);
            ps.setString(1,userInfo.getUsername());
            int num=ps.executeUpdate();
            if(num>0){
                System.out.println("删除成功");
            }else {
                System.out.println("用户不存在");
            }
        } catch (SQLException e) {
            throw new RuntimeException(e);
        }

    }
}
